Sunnyside Area Code

Sunnyside, CA is served by area code 559. This area code was initially assigned on 06-NOV-97 and has been in continuous service since 14-NOV-98, supporting the city's growing communication needs over the years.

The area code 559 is part of an overlay complex (357/559), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.

City Name	Sunnyside, CA
Area Code	559
Overlay Complex	357/559
State	California
Country	United State
Time Zone	Pacific Standard Time (PST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	06-NOV-97
In Service Date	14-NOV-98

Sunnyside, GA is served by area code 912. This area code was initially assigned on 01-JAN-54 and has been in continuous service since 01-JAN-54, supporting the city's growing communication needs over the years.

City Name	Sunnyside, GA
Area Code	912
State	Georgia
Country	United State
Time Zone	Eastern Standard Time (EST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	01-JAN-54
In Service Date	01-JAN-54

Sunnyside, UT is served by area code 435. This area code was initially assigned on 30-MAY-97 and has been in continuous service since 21-SEP-97, supporting the city's growing communication needs over the years.

City Name	Sunnyside, UT
Area Code	435
State	Utah
Country	United State
Time Zone	Mountain Standard Time (MST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	30-MAY-97
In Service Date	21-SEP-97

Sunnyside, WA is served by area code 509. This area code was initially assigned on 01-JAN-57 and has been in continuous service since 01-JAN-57, supporting the city's growing communication needs over the years.

City Name	Sunnyside, WA
Area Code	509
State	Washington
Country	United State
Time Zone	Pacific Standard Time (PST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	01-JAN-57
In Service Date	01-JAN-57